Finding the Fourth Proportional to 55,388.34, 76,419.27 and 32,729.40

Step by Step Solution

1. Step 1: Write the proportion equation
   55,388.34 : 76,419.27 = 32,729.40 : x
2. Step 2: Convert to fraction form
   55,388.34/76,419.27 = 32,729.40/x
3. Step 3: Cross multiply
   55,388.34x = 76,419.27 × 32,729.40
4. Step 4: Simplify right side
   55,388.34x = 2,501,156,855.54
5. Step 5: Solve for x
   x = 2,501,156,855.54/55,388.34
6. Step 6: Final answer
   x = 45,156.74